甲、乙两城市间的铁路经过技术改造后,列车在两城市间的运行速度从每小时80千米提高到每小时100千米,运行时间缩短了3小时.若设甲、乙两城市间的路程为x,依题意得方程( )。
﹣=3
-Who is standing under the tree?
-______. [ ]
A. Tom are
B. Tom is
C. Tom does
D. Tom do
In the forest he saved a rabbit __by the hunter. [ ]
A. was trapped
B. trapped
C. trapping